package com.gali.juc;

import java.util.concurrent.locks.ReentrantLock;

/**
 * @Auther: gali
 * @Date: 2022-08-19 16:26
 * @Description:
 */
class Ticket{
    private int number =50;
    ReentrantLock lock = new ReentrantLock(true);

    public void sale(){
        lock.lock();
        try {
            if (number>0){
                System.out.println(Thread.currentThread().getName()+"卖出第：\t"+(number--)+"\t 还剩下："+number);
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            lock.unlock();
        }
    }
}
public class SaleTicket {
    public static void main(String[] args) {
        Ticket ticket=new Ticket();
        new Thread(()->{
            for (int i = 0; i <55 ; i++) {
                ticket.sale();
            }
        },"a").start();

        new Thread(()->{
            for (int i = 0; i <55 ; i++) {
                ticket.sale();
            }
        },"b").start();

        new Thread(()->{
            for (int i = 0; i <55 ; i++) {
                ticket.sale();
            }
        },"c").start();
    }

}
